CN210725684U

CN210725684U - Aluminum shell with studs at outer bottom and capable of directly fixing circuit board

Info

Publication number: CN210725684U
Application number: CN201921861148.9U
Authority: CN
Inventors: 陆志辉; 张钢
Original assignee: Nantong Chuangjia Electromechanical Co ltd
Current assignee: Nantong Chuangjia Electromechanical Co ltd
Priority date: 2019-10-31
Filing date: 2019-10-31
Publication date: 2020-06-09
Anticipated expiration: 2029-10-31

Abstract

The utility model discloses an outer shell of outer bottom area double-screw bolt that can direct fixed circuit board, including aluminum hull body and cap, louvre and logical groove have all been seted up on the front and back end interior table wall of aluminum hull body, the louvre is located the vertical both ends that lead to the groove, lead to the groove and seted up two sets of spacing grooves. The utility model discloses in, the louvre has all been seted up on the front and back end interior table wall of aluminum hull body, a heat dissipation for daily circuit board, the dust guard carries out the shutoff to leading to the groove this moment, reduce the inner chamber that the dust enters into the aluminum hull body, it is hotter at weather, the louvre is not enough with when the outside quick transmission of the inside heat of aluminum hull body, portable dust guard, make dust guard and lead to the groove dislocation, the inside heat accessible of aluminum hull body leads to the groove and transmits to the external world fast, the damage that reducible circuit board received because high temperature, the life of circuit board has been prolonged.

Description

Aluminum shell with studs at outer bottom and capable of directly fixing circuit board

Technical Field

The utility model relates to a circuit board aluminum hull technical field especially relates to an outer bottom of directly fixable line way board takes aluminum hull of double-screw bolt.

Background

With the continuous maturity of technologies such as integrated circuit, singlechip, the miniaturization of circuit board, mobilization have become more and more the appeal of most users, and small-size circuit board owing to the characteristics of self structure, material and all kinds of fragile components and parts of board-mounted, has decided that it must use protection device promptly small-size circuit board shell body when using.

However, the traditional aluminum shell has many disadvantages in the using process, for example, although the heat dissipation performance of the aluminum shell is better than that of a plastic product, when the weather is hot, the heat inside the aluminum shell is still difficult to be rapidly transferred to the outside, and the service life of the circuit board is easily affected.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a: in order to solve the problem that heat in the aluminum shell is difficult to rapidly transmit to the outside when the weather is hot, the aluminum shell with the studs at the outer bottom is provided, and the circuit board can be directly fixed.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a but aluminum hull of outer dead bolt of direct-mount circuit board, includes aluminum hull body and cap, all seted up louvre and logical groove on the table wall in the front and back end of aluminum hull body, the louvre is located the vertical both ends that lead to the groove, lead to the groove and seted up two sets of spacing grooves, all be equipped with C shape frame on the table wall in the front and back end of aluminum hull body, C shape frame and lead to and be equipped with the dust guard between the groove, two all be equipped with on the dust guard and be used for carrying out spacing locating part to the dust guard.

As a further description of the above technical solution:

the locating part includes spacing casing, it has the spacer pin all to inlay on the vertical end interior table wall of spacing casing, two through spring elastic connection between the spacer pin.

As a further description of the above technical solution:

flanges are arranged on the two limit pins.

As a further description of the above technical solution:

and a stud is fixed on the lower surface wall of the aluminum shell body.

As a further description of the above technical solution:

two all inlay on the horizontal both sides cell wall that leads to the groove and be equipped with first magnet, all inlay on the horizontal both sides exterior wall of spacing casing and be equipped with second magnet.

As a further description of the above technical solution:

the limiting groove is arc-shaped, and the end of the limiting pin is semicircular.

To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:

1. the utility model discloses in, the louvre has all been seted up on the front and back end interior table wall of aluminum hull body, a heat dissipation for daily circuit board, the dust guard carries out the shutoff to leading to the groove this moment, reduce the inner chamber that the dust enters into the aluminum hull body, it is hotter at weather, the louvre is not enough with when the outside quick transmission of the inside heat of aluminum hull body, portable dust guard, make dust guard and lead to the groove dislocation, the inside heat accessible of aluminum hull body leads to the groove and transmits to the external world fast, the damage that reducible circuit board received because high temperature, the life of circuit board has been prolonged.

2. The utility model discloses in, through the setting of spring, spacer pin and spacing groove, can carry on spacingly to the position of dust guard, can prevent that the dust guard from removing at will on the horizontal direction.

Drawings

Fig. 1 shows a schematic structural diagram of an aluminum case provided according to an embodiment of the present invention;

fig. 2 is a schematic diagram illustrating an internal structure of a side wall of an aluminum case according to an embodiment of the present invention;

fig. 3 is a schematic diagram illustrating a limiting member structure according to an embodiment of the present invention;

fig. 4 shows a schematic diagram of an a-a structure provided according to an embodiment of the present invention;

illustration of the drawings:

1. a through groove; 2. a limiting member; 3. a stud; 4. a shell cover; 5. an aluminum case body; 6. heat dissipation holes; 7. a first magnet; 8. a limiting groove; 9. a dust-proof plate; 10. a C-shaped frame; 201. a limiting shell; 202. a spring; 203. a spacing pin; 204. a second magnet; 205. a flange.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: an aluminum shell with studs at the outer bottom for directly fixing a circuit board comprises an aluminum shell body 5 and a shell cover 4, wherein the shell cover 4 is fixed at the end part of the aluminum shell body 5 through bolts, heat dissipation holes 6 and through grooves 1 are respectively arranged on the inner surface walls of the front end and the rear end of the aluminum shell body 5, the heat dissipation holes 6 can be rectangular, circle center or triangular, the heat dissipation holes 6 are positioned at the vertical two ends of the through grooves 1, two groups of limiting grooves 8 are arranged on the through grooves 1, the limiting grooves 8 are close to the horizontal two side groove walls of the through grooves 1, C-shaped frames 10 are respectively arranged on the inner surface walls of the front end and the rear end of the aluminum shell body 5, the C-shaped frames 10 and the aluminum shell body 5 are of an integrated structure, dustproof plates 9 are arranged between the C-shaped frames 10, reducible dust enters into the inside of aluminum hull body 5, all is equipped with on two dust guards 9 to be used for carrying out spacing locating part 2 to dust guard 9.

Specifically, as shown in fig. 3, the limiting member 2 includes a limiting housing 201, the limiting housing 201 is bonded on the dust-proof plate 9, a limiting pin 203 is embedded on the vertical end inner surface wall of the limiting housing 201 in a sliding manner, two limiting pins 203 are elastically connected through a spring 202, the limiting groove 8 is arranged in an arc shape, the end of the limiting pin 203 is arranged in a semicircular shape, the spring 202 can give an elastic force to the limiting pin 203, the limiting pin 203 is engaged with the limiting groove 8, and the limiting housing 201 is fixed.

Specifically, as shown in fig. 3, two limit pins 203 are provided with flanges 205, the flanges 205 are provided inside the limit housing 201, and the flanges 205 can prevent the limit pins 203 from coming off from the limit housing 201.

Specifically, as shown in fig. 1 and 2, a stud 3 is fixed to a lower surface wall of the aluminum case body 5, and the aluminum case body 5 can be fixed to a desired position by the stud 3 and a nut.

Specifically, as shown in fig. 2 and 3, the first magnets 7 are embedded on the groove walls of the two horizontal sides of the through groove 1, the second magnets 204 are embedded on the outer surface walls of the two horizontal sides of the limiting shell 201, and the first magnets 7 and the second magnets 204 attract each other under the action of magnetic force, so that the limiting shell 201 is fixed, and the dust-proof plate 9 is prevented from moving in the horizontal direction.

The working principle is as follows: the dust-proof plate 9 in a normal state seals the through groove 1 to reduce dust entering the inner cavity of the aluminum shell body 5, at the moment, the spring 202 gives an elastic force to the limiting pin 203, the limiting pin 203 is clamped with one group of limiting grooves 8 to play a role in fixing the dust-proof plate 9, the dust-proof plate 9 can be prevented from moving randomly to influence the dust-proof effect, when the heat in the aluminum shell body 5 is difficult to transmit to the outside rapidly through the heat dissipation holes 6 in hot weather, the limiting part 2 is pulled to one side, the limiting part 2 drives the dust-proof plate 9 to pull to one side, so that the dust-proof plate 9 is staggered with the through groove 1, the heat in the aluminum shell body 5 can be transmitted outward rapidly through the through groove 1, at the moment, the limiting pin 203 is clamped with the other group of limiting grooves 8 to play a role in fixing the dust-proof plate 9, the influence on the heat dissipation effect due to the random movement of the, the heat can be rapidly transferred to the outside, and the service life of the circuit board can be prolonged.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a but aluminum hull of outer dead band double-screw bolt of direct fixation circuit board, includes aluminum hull body (5) and cap (4), its characterized in that, louvre (6) and logical groove (1) have all been seted up on the front and back end interior table wall of aluminum hull body (5), louvre (6) are located the vertical both ends that lead to groove (1), lead to and seted up two sets of spacing groove (8) on groove (1), all be equipped with C shape frame (10) on the front and back end interior table wall of aluminum hull body (5), be equipped with dust guard (9) between C shape frame (10) and logical groove (1), two all be equipped with on dust guard (9) and be used for carrying out spacing locating part (2) to dust guard (9).

2. The aluminum shell with the stud at the outer bottom capable of directly fixing the circuit board according to claim 1, wherein the limiting member (2) comprises a limiting shell (201), limiting pins (203) are respectively embedded on the inner surface wall of the vertical end of the limiting shell (201) in a sliding manner, and the two limiting pins (203) are elastically connected through a spring (202).

3. The aluminum shell with the stud at the outer bottom for directly fixing the circuit board according to claim 2, wherein the two limiting pins (203) are provided with flanges (205).

4. The aluminum shell with the stud at the outer bottom for directly fixing the circuit board according to claim 1, wherein the stud (3) is fixed on the lower surface wall of the aluminum shell body (5).

5. The aluminum shell with the stud at the outer bottom capable of directly fixing the circuit board according to claim 3, wherein the first magnets (7) are embedded on the two horizontal groove walls of the through grooves (1), and the second magnets (204) are embedded on the two horizontal outer surface walls of the limiting shell (201).

6. The aluminum shell with the stud at the outer bottom for directly fixing the circuit board according to claim 5, wherein the limiting groove (8) is arranged in an arc shape, and the end of the limiting pin (203) is arranged in a semicircular shape.